Safety device for tools



F. W. GRADY.

SAFETY DEVICE FOR TOOLS.

APPLICATION FILED NOV, 29, 1920.

11 ,%3 3, 8 1 4 Patented Oct. 31, 1922.

?atented Get 33.,

FRANK WILLIAM: GRJLDY, OF NILES. GJ-RLIFGRNIA.

DEVICE FOR TOOLS.

Application filed November 29, 1920.

l'ul iatety Devi-re tor Tools. of which the following is a specification.

' vention has reference to headed 1 swing}; the primary object of the invention to provide means to he inserted in one end of the handle thereo'! to spread that portion of the handle, "arising the same to lrictionall engage the inner walls of the head of the tool.

A Further object oi the invention is the provision of means of this eharucter having a plurality of shoulders designed to restrict reverse movement thereof.

A still further object ot the invention is to provide a device which may he driven into the handle portion of the usual head of the tool now in use.

Ci ith the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the conihination and arrangement of par-is and in the details oi construction hereinafter de- ..:.ribe 'l and rlain'ied. it heing understood Referring to the drawing in detail. the

device shown as wedged shaped, the same being relatively long and having a kni'telike end 5 adapted to split the handle in which the Wedge is positioned. while the o pposite end (3 oi? he Wedge is "formed into a head to receive the blow of a positioning tool. 3

Extending transversely of one side of the wedge are a plurality of inclined shoulders 7 thirt extend across the side edges of the wedge, Where the body portion of the Wedge is cut away as at 8.

, the We.

Serial No. l -7,087.

The shoulders T extend throughout substantially the enti e length of the Wedge to provide gripping meinher along the entire surface of the Wedge. restricting; movement of the wedge, K

On the opposite side of. the Wedge are formed a plurality of shoulders 9, which extend. the entire Width of the "Wedge, and as shown these shoulders 9 are disposed along the surface of the Wedge at points between :nljscent shoulders 7 thereby providing a doublegrip tor the Wedge to insure against movement thereof. i

The Walls between adjacent shoulders 7 and taper towards the lower extremity of 1 as at 10 therehy proidding shou ders nit-h will readily embed themselves within the handle portion of the tool.

In the use of the device the pointed entrei'nity oil? the Wedge is positioned at one end of the handle, whereupon the same driven into the handle splitting the same and Wedging the split sections of the handle into close engagement with the walls of the openings of the head the shoulders ot the wedge embeddingtl'iemselves in the material. ot the handle. to prevent the Wedge from l'ieooining displaced.

Having thus deseribed What is claimed as her? A tool handle Wedge comprising a WQClgQ- shaped hody portion having cut out portions Formed in the side faces thereof, the out out portions in the side fares forming shoulders the shoulders oi one face lying in planes above the shoulders of the adjacent face, the tront and rear faces 01 the hody portion heingz termed With out out port-ions providing shoulders, the shoulders of the front and rear faces being:- inclined towards one oi the side tacos. the shoulders on the "front Face being; disposed in planes between the shoulders of the rear face. and said body portion heinp; "fer ied with a lznitedike end.

In testimony that I claim the foregoing; my own, T have hereto affixed iny signature in the presence ot two Witnesses.

rnnnit WILLIAM GRADY.

the inventioin Witnesses F. W. SWIGART, N, B. WILLIAMS. 

